async_hooks: clean up comments

With some of the recent work, some of the comments were no longer
representative of the code, or were otherwise unclear. This commit
fixes some obvious issues I found.

Ref: https://github.com/nodejs/node/commit/83e5215a4e8438a43b9f0002b7a43e2fd2dd37a4
Ref: https://github.com/nodejs/node/commit/0784b0440c05464f79b857f7d8698fcc953d3fb3
PR-URL: https://github.com/nodejs/node/pull/18467
Reviewed-By: Andreas Madsen <amwebdk@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>

1 files changed, 2 insertions, 2 deletions

diff --git a/src/async_wrap.cc b/src/async_wrap.cc
index 5258674ff3..706cd87990 100644
--- a/src/async_wrap.cc
+++ b/src/async_wrap.cc
@@ -540,12 +540,12 @@ void AsyncWrap::Initialize(Local<Object> target,
   // this way to allow JS and C++ to read/write each value as quickly as
   // possible. The fields are represented as follows:
   //
-  // kAsyncUid: Maintains the state of the next unique id to be assigned.
+  // kAsyncIdCounter: Maintains the state of the next unique id to be assigned.
   //
   // kDefaultTriggerAsyncId: Write the id of the resource responsible for a
   //   handle's creation just before calling the new handle's constructor.
   //   After the new handle is constructed kDefaultTriggerAsyncId is set back
-  //   to 0.
+  //   to -1.
   FORCE_SET_TARGET_FIELD(target,
                          "async_id_fields",
                          env->async_hooks()->async_id_fields().GetJSArray());